Carpet-stretcher



(No Model.)

J. W. OBISE.

CARPET STRETGHER.

No. 431,443. Patented July 1, 1890.

WIT/VESSES' UNITED STATES PATENT OFFICE.

JOHN WILLIAM CRISE, OF FOREST HILL, INDIANA.

CARPET-STRETCH ER.

SPECIFICATION forming part of Letters Patent No. 431,443, dated July 1,1890.

Application filed February 6, 1890. Serial No. 339,384. (No model.)

To all whom it may concern.-

Be it known that I, JOHN WILLIAM CRISE, a citizen of the United States,and a resident'of Forest Hill, in the county of Decatur and State ofIndiana, have invented certain new and useful Improvements inOarpet-Stretchers; and I do hereby declare that the following is a full,clear, and exact description of the invention, which will enable othersskilled in the art to which it appertains to make and use the same,reference being had to the accompanying drawings, which form a part ofthis specification, and in which Figure 1 is a perspective View of myimproved carpet-stretcher. Fig. 2 is a longitudinal sectional View, andFig. 3 is a detail view of the pivoted bolt or pin.

Like letters of reference denote corresponding parts in all the figures.

My invention has relation to carpet-stretchers; and it has for itsobject to provide a sim-v ple, inexpensive, compact, and eflicientdevice of this character; and with these ends in View it consists in theimproved construction and combination of parts, as hereinafter morefully set forth and described.

In the accompanying drawings, the letter A represents the pivoted frame,consisting of the leg at and the opposite legs a a, the latter beingconnected at their lower diverging ends by a cross-piece B, saidcross-piece being provided on one of its under edges with pins or teethI). The several pieces forming the frame are pivoted at their upper endby a pivot-bolt G.

Arranged upon the under side of the leg at, and immediately below thecenter of the pivotal point, is a metallic plate D, formed or providedwith a notched sector E. \Vorking upon a pivot-bolt F at a point betweenthe legs a a, near their upper extremities, is a pawl or dog G, adaptedto engage said ratchet and having its longer arm of sufficient weight tokeep the shorter arm in close engagement with the teeth.

A pin or bolt I-l extends from the lower end of arm a, and instead ofbeing rigidly secured thereto may be pivoted, so as to have freemovement, and this is preferably accomplished by the construction shownin Fig. 3

of the drawingsviz., forming the pin or bolt with an upper U-shapedportion consisting of the perforated arms h h, passing up upon each sideof the arm a, and throughthe perforations of which pass a transverse pinor bolt I, upon which the U-shaped portion is free to turn. It isobvious, however, that other constructions may be used for effecting thesame purpose-for instance, providing the under side of the lower end ofarm a with a recess and having the upper end or shank of the pinprovided with a perforation to receive a transverse bolt, upon which theformer is free to turn.

This being the construction of myim proved carpet-stretcher, theoperation of the same is as follows: WVhen it is desired to stretch thecarpet preliminary to tacking it down, the teeth or pins upon thecrossbar B and the pin upon the frame-piece a are inserted in thecarpet, the legs being first spread apart or adjusted and held in theiradjusted position by the notched quadrant in conjunction with theengaging-pawl. Pressure is then exerted downward upon the frame, whichnecessarily has the effect of efficiently and expeditiouslyaccomplishing the purpose desired. It will be seen that by having thepin or bolt pivoted in the lower end of the frame-piece a thedisadvantage arising from the employment of a rigid pin or tooth, as isordinarily the case, is entirely obviated.

Having thus described my invention, I claim and desire to secure byLetters Patent of the United States- In a carpet-stretcher, thecombination, with the pivoted frame, consisting of the pieces a and a a,the cross-piece connecting the latter and provided with suitable pointsor proj ections, the pin or bolt pivotally secured to the frame-piece a,and the notched quadrant and engaging-paw], substantially as set forth.

In testimony that I claim the foregoing as my own I have hereuntoaffixed my signature in presence of two witnesses.

JOHN WILLIAM CRISE. Witnesses: I

FRANK FRALEY,

GEO. FRALEY,

